What is the Kinectic Energy of the baseball?

[ohheytai]

A baseball of mass 143 g is thrown with a velocity of < 22, 15, -12 > m/s. What is the kinetic energy of the baseball?

Homework Equations

K=1/2mv^2

The Attempt at a Solution

i got < 34.6, 16.1, 10.3 > J
but webassign says i am wrong? what am i doing wrong?

 

[mnova]

How did you gte your answers?
What units are they in?

 

[mnova]

How did you get your answers?
What units are they in?

 

[ohheytai]

i plugged it into the equation first i converted grams to kg then did 1/2mv^s